Borolon
合成氧化铝(用作磨料、耐火料或助滤物)
🔁 扩展释义
【化】 合成氧化铝; 人工氧化铝
🗣️ 情景例句
In town. At the hardware store.
在镇上。在五金行里。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。